This carburetor is designed for Stihl FS38, FS45, FS46, FS55 2-mix series trimmers and lawn mowers, including model 4140 120 0623. It delivers reliable fuel-air mixing for consistent engine performance across a range of trimming tasks.
The carburetor uses proven fuel mixing technology to maintain precise air-fuel ratios, supporting stable engine operation and efficient fuel combustion. Installation is straightforward, and the simple design makes routine maintenance easier to manage.
Built from high-quality materials, this carburetor maintains stable performance under regular working conditions. It resists wear and reduces the risk of failure, supporting long-term, dependable operation without frequent replacement.
Fits FS38, FS45, FS46, and FS55 2-mix models. Check your equipment’s model number against the compatibility list before ordering to ensure a correct fit.













